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The problem with using food crops to make fuel is that it causes shortages of food. The revolutions in Tunis and Egypt were based on rising cost of corn that the poorest could not afford. The revolutions are less about ideology and more about hunger. The cost of food for everyone goes up when corn is diverted to fuel.

It would be better to find a vegetable source for biofuel that is not needed for food and also does not reduce resources needed for food production. There are some species of algae that might be a better source for biofuel.